diff --git a/src/com/android/browser/BrowserSettings.java b/src/com/android/browser/BrowserSettings.java
index 7d3195a..4555c18 100644
--- a/src/com/android/browser/BrowserSettings.java
+++ b/src/com/android/browser/BrowserSettings.java
@@ -372,11 +372,11 @@
         if (PREF_SEARCH_ENGINE.equals(key)) {
             updateSearchEngine(false);
         } else if (PREF_FULLSCREEN.equals(key)) {
-            if (mController.getUi() != null) {
+            if (mController != null && mController.getUi() != null) {
                 mController.getUi().setFullscreen(useFullscreen());
             }
         } else if (PREF_ENABLE_QUICK_CONTROLS.equals(key)) {
-            if (mController.getUi() != null) {
+            if (mController != null && mController.getUi() != null) {
                 mController.getUi().setUseQuickControls(sharedPreferences.getBoolean(key, false));
             }
         } else if (PREF_LINK_PREFETCH.equals(key)) {